01 2022 档案
jdk8根据某一属性去重方法 Collectors.collectingAndThen
摘要:userList = userList.stream().collect(Collectors.collectingAndThen(Collectors.toCollection(() -> new TreeSet<>(Comparator.comparing(User :: getUserid)) 阅读全文
posted @ 2022-01-07 11:27 唯忆学长 阅读(4307) 评论(0) 推荐(0)